9797231 has 2 divisors, whose sum is σ = 9797232. Its totient is φ = 9797230.

The previous prime is 9797191. The next prime is 9797233. The reversal of 9797231 is 1327979.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9797231 - 2⁶ = 9797167 is a prime.

It is a super-2 number, since 2×9797231² = 191971470534722, which contains 22 as substring.

Together with 9797233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9797233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4898615 + 4898616.

It is an arithmetic number, because the mean of its divisors is an integer number (4898616).

Almost surely, 2^9797231 is an apocalyptic number.

9797231 is a deficient number, since it is larger than the sum of its proper divisors (1).

9797231 is an equidigital number, since it uses as much as digits as its factorization.

9797231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814, while the sum is 38.

The square root of 9797231 is about 3130.0528749528. The cubic root of 9797231 is about 213.9773391441.

The spelling of 9797231 in words is "nine million, seven hundred ninety-seven thousand, two hundred thirty-one".